CN106012812A - Bridge pier anti-collision and anti-scouring device - Google Patents
Bridge pier anti-collision and anti-scouring device Download PDFInfo
- Publication number
- CN106012812A CN106012812A CN201610531945.5A CN201610531945A CN106012812A CN 106012812 A CN106012812 A CN 106012812A CN 201610531945 A CN201610531945 A CN 201610531945A CN 106012812 A CN106012812 A CN 106012812A
- Authority
- CN
- China
- Prior art keywords
- bridge pier
- cage frame
- scouring device
- inlet opening
- collision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge pier anti-collision and anti-scouring device. The bridge pier anti-collision and anti-scouring device comprises a bridge pier body (1), multiple fixing piles (2), a cage frame (3) and an elastic plate (4), wherein the multiple fixing piles (2) surround the outer side of the bridge pier body (1); the fixing piles (2) are provided with flow blocking pieces (21); the steel cage frame (3) is fixed to the fixing piles (2) which are arranged at a water facing side of the bridge pier body (1); the cage frame (3) is filled with a first anti-collision body formed by irregular riprap; the elastic plate (4) is fixed to the fixing piles (2) arranged at a water backing side of the bridge pier body (1), so that a second anti-collision body is formed; water inlet holes are formed in the elastic plate(4). According to the bridge pier anti-collision and anti-scouring device disclosed by the invention, a scouring action on a bridge pier by water flow can be avoided, a collision action on the bridge pier by a collision body in water can also be avoided, the structure is simple, the cost is low, and the bridge pier anti-collision and anti-scouring device not only is suitable for the protection of newly-constructed bridge pier, but also is suitable for complementary protection of a constructed bridge pier.
Description
Technical field
The present invention relates to aquatic building security protection and manufacture field, particularly to a kind of pier anticollision
Anti-scouring device.
Background technology
Current are broadly divided into three aspects to the souring of bridge pier: 1, lower underground flow washes in a pan the end,
Underground flow under the part formed after flow impact bridge pier before referring mainly to part pier, is carried out at the bottom of pier
Scour；2, advance water vortex (shape of a hoof whirlpool), refers mainly to be partially advanced current and runs into bridge pier
Tailing edge pier shaft both sides, whirlpool are streamed, and stream vortex entirety and become the shape of a hoof, pier shaft both sides are carried out scour；
3, trailing vortex is washed in a pan at the end, and current occur boundary layer separation after flowing through along pier shaft, are formed at bridge pier afterbody
Strong vortex, scour pier tail as tornado.Protection machine is pressed in traditional bridge pier erosion control measure
Reason can be divided into two big classes: entity anti-impact class and deceleration fall rush class, but all there is bigger limitation,
The more important thing is, above two class safeguard procedures are all conceived to protect current and wash away bridge pier, and
Erratic boulder or the boats and ships shock to bridge pier cannot be avoided.
Summary of the invention
The technical problem to be solved in the present invention there is provided a kind of current that can protect to bridge pier
Wash away, be avoided that again the pier anticollision Anti-scouring device that bridge pier is clashed into by erratic boulder or boats and ships.
Technical scheme is as follows:
Pier anticollision Anti-scouring device, including bridge pier body, multiple spud pile, cage frame and elasticity
Plate, multiple described spud piles are centered around the outside of bridge pier body, are positioned at the described fixing of the side that meets water
Be equipped with flow blocking piece on Zhuan, described cage frame be fixed on bridge pier body meet water side steel-pipe pile on, should
Fill out in cage frame and be provided with jackstone and form the first anti-collision body；Described elastic plate is fixed on bridge pier body backwater
Forming the second anti-collision body on the spud pile of side, this elastic plate is provided with inlet opening.
Using above structure, spud pile is centered around the outside of bridge pier body, the pull resistance of spud pile
Can be good, can be bent and deformed after being clashed into and absorb energy, it is to avoid bridge pier is by directly
Injury, and, cage frame be fixed on bridge pier body meet water side spud pile on, also fill out in cage frame
If irregular jackstone, form the first anti-collision body so that bridge pier ambient water is essentially hydrostatic,
Eliminating and meet stream side Scouring Condition around bridge pier, meanwhile, jackstone loosely-packed structure is permissible
Reduce the effect of impact time, significantly reduce boats and ships etc. and hit the momentum of bridge pier, both strengthened bridge
The protection of pier, avoids again peripheral steel pipe by steel material arrival yield limit after huge power shock
Deform impaired, play buffering and the dual function of protection, maintenance cost can be greatly reduced；?
Do not increase bridge pier body of paddling block water than on the premise of, the contour structures of the first anti-collision body extends
Upstream face length, and under the effect of flow blocking piece, subsurface flow can be reduced to a great extent
Speed and intensity with U-vortex；Elastic plate is fixed on the spud pile of bridge pier body land side
The upper anti-collision body of formation second, the contour structures of the second anti-collision body can improve the first anti-collision body and second
The stationarity of anti-collision body surrounding water fluidised form, it is to avoid trailing vortex occurs, make current to wash away fluidised form several
Disappear, simple in construction, construct convenient, can anti-current scour, can prevent from again directly clashing into
Pontic, applied widely.
Firmly and keep sealing to realize the seam between the first anti-collision body and the second anti-collision body,
As preferably, described cage frame and elastic plate towards bridge pier body one end all with bridge pier outer body
Wall connects fixing, and link position all with the plane tangent of bridge pier body.
In order to preferably improve pull resistance, as preferably, described spud pile is steel-pipe pile, described
Cage frame is steel cage frame.
For the ease of drawing materials, reducing cost, as preferably, described jackstone is irregular stone,
The block footpath of described jackstone is more than the aperture of cage frame.
In order to ensure that the water pressure of the second crashproof inside and outside balances, and the second anti-collision body is only subject to
To flowing pressure, as preferably, described inlet opening by multiple spaced first inlet openings and
Second inlet opening composition, multiple described first inlet openings and the second inlet opening are along elastic plate lateral surface
Be axially uniformly arranged, this first inlet opening and the second inlet opening are bar hole, adjacent institute
State the first inlet opening and the second inlet opening and constitute "eight" shape.
In order to reduce the resistance coefficient of drain side, eliminate flow wake Production conditions, and then keep away
Having exempted from the scour of this device afterbody, as preferably, multiple described spud piles are along outside bridge pier body
Side constitutes the cross section structure of NACA aerofoil profile.
In order to increase the spud pile bearing strength to cage frame unit are, as preferably, adjacent two
Spacing between individual described spud pile is 2～3m.
In order to reduce speed and the intensity of subsurface flow and U-vortex further, as preferably,
Spud pile meets water the described flow blocking piece helically arranged in step shape of one end, side, each described flow blocking piece
Arcuate structure convex under for, and relatively low towards the one end meeting stream side, flow one end of side relatively towards the back of the body
High.
In order to improve be hit intensity and the folding resistance of the second anti-collision body, as preferably, described
Elastic plate is made up of PET material.
Beneficial effect: the present invention is avoided that the current souring to bridge pier, is also avoided that in water
The impacting body bump effect to bridge pier, simple in construction, low cost, both it was suitable for and newly-built bridge pier
Protection, is also applied for the complementarity protection of built bridge pier.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Shown in Fig. 1 and Fig. 2, the present invention is by bridge pier body 1, multiple spud pile 2, cage frame
3 and the composition such as elastic plate 4, described spud pile 2 is steel-pipe pile, and described cage frame 3 is steel
Cage frame.Multiple described spud piles 2 are centered around the outside of bridge pier body 1, constitute the NACA wing
The cross section structure of type, the spacing between adjacent two described spud piles 2 is 2～3m；Described cage
Frame 3 and elastic plate 4 are all connected with bridge pier body 1 lateral wall towards one end of bridge pier body 1
Fixing, and link position all with the plane tangent of bridge pier body 1；Described cage frame 3 is fixed on
Bridge pier body 1 meet water side spud pile 2 on, fill out in this cage frame 3 and be provided with irregular jackstone shape
Becoming the first anti-collision body, the block footpath of described jackstone is more than the aperture of cage frame 3.
It is positioned on each described spud pile 2 of the side that meets water and is equipped with flow blocking piece 21, and helically
Arranged in step shape, the arcuate structure that each described flow blocking piece 21 is convex under being, and towards meeting stream side
One end relatively low, towards the back of the body stream side one end higher.
Described elastic plate 4 is made up of PET material, and is fixed on bridge pier body 1 land side
Forming the second anti-collision body on spud pile 2, this elastic plate 4 is provided with multiple spaced the
One inlet opening 41 and the second inlet opening 42, multiple described first inlet opening 41 and the second water inlets
Hole 42 is axially uniformly arranged along elastic plate 4 lateral surface, this first inlet opening 41 and second
Inlet opening 42 is bar hole, adjacent described first inlet opening 41 and the second inlet opening 42
Constitute "eight" shape.
The using method of the present invention is as follows:
First, employing rig pore-forming piling eye, geological tube pipe-following drilling, wing along NACA
Cross section profile arrange, the spacing between adjacent studs eye is between 2～3m, and drilling depth is
The twice of the depth of water is advisable, and it is good that spud pile 2 inserts the tensile property after stake eye, after being clashed into
Can be bent and deformed and absorb energy, it is to avoid bridge pier is directly injured.
After pore-forming, spud pile 2 is inserted stake eye, and irrigates M30 cement mortar, slip casting pressure
Power adds rough, after slip casing by pressure, in spud pile 2 outer layer shape not less than 0.3Mpa. steel tube surface
Become protection, prevent corrosion.Spud pile 2 surface 1～1.5m. inside spud pile 2 cloth
Putting the cage frame 3 of steel, cage frame aperture can adjust according to jackstone material block footpath, bridge pier location,
Filling jackstone in cage frame 3 and form the first anti-collision body, jackstone need not consider grating, if block footpath
Aperture more than cage frame 3 so that bridge pier ambient water is essentially hydrostatic, eliminates and meets
Stream side Scouring Condition around bridge pier, meanwhile, jackstone loosely-packed structure can reduce hits
Hit action time, significantly reduce boats and ships etc. and hit the momentum of bridge pier, both strengthened bridge pier
Protection, after avoiding again peripheral steel pipe to be clashed into by huge power, steel material arrives yield limit and becomes
Shape is impaired, plays buffering and the dual function of protection, maintenance cost can be greatly reduced.
The back of the body stream side of bridge pier body 1 is not filled with jackstone, only covers outside spud pile 2 and covers by PET
The elastic plate 4 that material is made forms the second anti-collision body, the first of the lower section setting of elastic plate 4
Inlet opening 41 and the second inlet opening 42, it is ensured that external water pressure balance in safeguard structure,
Make this structure only by flowing pressure.It addition, the first inlet opening 41 and the second inlet opening
The position of opening of 42 is unsuitable too low, should open 2 years one at bridge site and meet the flood met with 10 years
It is advisable between Wei.
The cross section structure being shaped as NACA aerofoil profile formed due to spud pile 2, to current
Resistance coefficient little, do not increase bridge pier body 1 of paddling block water than on the premise of, elastic plate
The second anti-collision body land side at 4 places is along flowing to length number times bridge pier body 1 diameter, energy
Extend upstream face length, flow separation point can be made to occur over just the afterbody point of the second anti-collision body
End, and afterbody smooth contraction is pointed, eliminates flow wake Production conditions, and then avoid
The scour of this device afterbody, and, under the effect of flow blocking piece 21, can at very great Cheng
Subsurface flow and the speed of U-vortex and intensity is reduced, to stop the free stream of current on degree
The dynamic souring to bridge pier body 1, improves the first anti-collision body and the second anti-collision body ambient water
The stationarity of body fluidised form, reduce current washes away fluidised form.
Meanwhile, in the space formed between elastic plate 4 and bridge pier body 1, basic holding current are quiet
Only, washing away of bridge pier body 1 surrounding riverbed can be reduced, weaken boats and ships and the impact of pontic is damaged
Wound, is also beneficial to improve the safety that bridge uses.
The present invention only plays the crashproof effect of erosion control, and is not involved in load-bearing, low cost, has both been suitable for new
The protection of bridge construction pier, is also applied for the complementarity protection of built bridge pier.
It is consistent with prior art that the present invention does not describes part, and therefore not to repeat here.
These are only embodiments of the present invention, not thereby limit the scope of the claims of the present invention,
Every equivalent structure utilizing description of the invention and accompanying drawing content to be made, directly or indirectly uses
In the technical field that other are relevant, the most in like manner within the scope of patent protection of the present invention.
Claims (9)
1. pier anticollision Anti-scouring device, it is characterised in that: include bridge pier body (1), multiple
Spud pile (2), cage frame (3) and elastic plate (4), multiple described spud piles (2) are centered around
The outside of bridge pier body (1), is positioned on the described spud pile (2) of the side that meets water and is equipped with baffle
Sheet (21), described cage frame (3) is fixed on bridge pier body (1) and meets water the spud pile (2) of side
On, fill out in this cage frame (3) and be provided with jackstone and form the first anti-collision body；Described elastic plate (4) is solid
Due to spud pile (2) the upper formation second anti-collision body of bridge pier body (1) land side, this elasticity
Plate (4) is provided with inlet opening.
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: institute
State cage frame (3) and elastic plate (4) towards bridge pier body (1) one end all with bridge pier body
(1) lateral wall connects fixing, and link position all with the plane tangent of bridge pier body (1).
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: institute
Stating spud pile (2) is steel-pipe pile, and described cage frame (3) is steel cage frame.
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: institute
Stating jackstone is irregular stone, and the block footpath of described jackstone is more than the aperture of cage frame (3).
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: institute
State inlet opening by multiple spaced first inlet openings (41) and the second inlet opening (42) group
Becoming, multiple described first inlet openings (41) and the second inlet opening (42) are along elastic plate (4)
Axially being uniformly arranged of lateral surface, this first inlet opening (41) and the second inlet opening (42) are equal
For bar hole, adjacent described first inlet opening (41) and the second inlet opening (42) constitute " eight "
Font.
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: many
Individual described spud pile (2) is along the cross section of the outside composition NACA aerofoil profile of bridge pier body (1)
Structure.
Pier anticollision Anti-scouring device the most according to claim 6, it is characterised in that: phase
Spacing between adjacent two described spud piles (2) is 2～3m.
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: Gu
Determine stake (2) to meet water described flow blocking piece (21) the helically arranged in step shape of one end, side, each
The arcuate structure that described flow blocking piece (21) is convex under being, and relatively low towards the one end meeting stream side, court
Support or oppose stream side one end higher.
Pier anticollision Anti-scouring device the most according to claim 1, it is characterised in that: institute
State elastic plate (4) to be made up of PET material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531945.5A CN106012812B (en) | 2016-07-07 | 2016-07-07 | Pier anticollision Anti-scouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531945.5A CN106012812B (en) | 2016-07-07 | 2016-07-07 | Pier anticollision Anti-scouring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012812A true CN106012812A (en) | 2016-10-12 |
| CN106012812B CN106012812B (en) | 2018-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531945.5A Expired - Fee Related CN106012812B (en) | 2016-07-07 | 2016-07-07 | Pier anticollision Anti-scouring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106012812B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894330A (en) * | 2017-02-10 | 2017-06-27 | 合肥学院 | Pier rolling stone impact resisting device based on waste tires and construction method thereof |
| CN106948259A (en) * | 2017-02-27 | 2017-07-14 | 浙江大学 | A kind of anticollision device, collision-prevention device suitable for bridge pier |
| CN107916618A (en) * | 2017-11-17 | 2018-04-17 | 成都益佳平科技有限公司 | A kind of bridge pier prior-warning device mounting bracket |
| CN108193606A (en) * | 2017-12-30 | 2018-06-22 | 桂林理工大学 | A kind of means of defence of local scour near pier |
| CN108301316A (en) * | 2018-02-05 | 2018-07-20 | 李顺红 | Bridge-collision-avoidance source of early warning |
| CN109056511A (en) * | 2018-09-30 | 2018-12-21 | 河南大学 | A kind of bridge pier and preparation method thereof for resisting mud-rock-flow-impact |
| CN110396921A (en) * | 2019-07-22 | 2019-11-01 | 扬州工业职业技术学院 | Road and bridge shock-damping structure |
| CN111962382A (en) * | 2020-06-28 | 2020-11-20 | 浙江大学舟山海洋研究中心 | Anti-collision buffer device for bridge pier of sea-crossing bridge |
| CN114592421A (en) * | 2022-03-10 | 2022-06-07 | 合肥工业大学 | Local protection method and device for river channel bridge foundation |
| CN115323897A (en) * | 2021-11-10 | 2022-11-11 | 浙江理工大学 | Streamline scour prevention device of concave surface of assembly on pier |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235371A (en) * | 2018-10-25 | 2019-01-18 | 浙江理工大学 | A kind of assembled bridge pier Anti-scouring device with smooth type baffle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894330A (en) * | 2017-02-10 | 2017-06-27 | 合肥学院 | Pier rolling stone impact resisting device based on waste tires and construction method thereof |
| CN106894330B (en) * | 2017-02-10 | 2018-07-24 | 合肥学院 | Pier rolling stone impact resisting device based on waste tires and construction method thereof |
| CN106948259A (en) * | 2017-02-27 | 2017-07-14 | 浙江大学 | A kind of anticollision device, collision-prevention device suitable for bridge pier |
| CN107916618A (en) * | 2017-11-17 | 2018-04-17 | 成都益佳平科技有限公司 | A kind of bridge pier prior-warning device mounting bracket |
| CN108193606A (en) * | 2017-12-30 | 2018-06-22 | 桂林理工大学 | A kind of means of defence of local scour near pier |
| CN108193606B (en) * | 2017-12-30 | 2019-10-11 | 桂林理工大学 | A kind of means of defence of local scour near pier |
| WO2019148804A1 (en) * | 2018-02-05 | 2019-08-08 | 李顺红 | Bridge collision pre-warning device |
| CN108301316B (en) * | 2018-02-05 | 2018-11-13 | 李顺红 | Bridge-collision-avoidance source of early warning |
| CN108301316A (en) * | 2018-02-05 | 2018-07-20 | 李顺红 | Bridge-collision-avoidance source of early warning |
| CN109056511A (en) * | 2018-09-30 | 2018-12-21 | 河南大学 | A kind of bridge pier and preparation method thereof for resisting mud-rock-flow-impact |
| CN110396921A (en) * | 2019-07-22 | 2019-11-01 | 扬州工业职业技术学院 | Road and bridge shock-damping structure |
| CN111962382A (en) * | 2020-06-28 | 2020-11-20 | 浙江大学舟山海洋研究中心 | Anti-collision buffer device for bridge pier of sea-crossing bridge |
| CN111962382B (en) * | 2020-06-28 | 2021-04-06 | 浙江大学舟山海洋研究中心 | Anti-collision buffer device for bridge pier of sea-crossing bridge |
| CN115323897A (en) * | 2021-11-10 | 2022-11-11 | 浙江理工大学 | Streamline scour prevention device of concave surface of assembly on pier |
| CN114592421A (en) * | 2022-03-10 | 2022-06-07 | 合肥工业大学 | Local protection method and device for river channel bridge foundation |
| CN114592421B (en) * | 2022-03-10 | 2023-09-26 | 合肥工业大学 | River bridge foundation local protection method and device |
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|---|---|
| CN106012812B (en) | 2018-03-23 |
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